159222012 has 24 divisors (see below), whose sum is σ = 371809536. Its totient is φ = 53032368.

The previous prime is 159222001. The next prime is 159222013. The reversal of 159222012 is 210222951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159222013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13383 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (15492064).

Almost surely, 2^159222012 is an apocalyptic number.

159222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159222012 is an abundant number, since it is smaller than the sum of its proper divisors (212587524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159222012 is a wasteful number, since it uses less digits than its factorization.

159222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 159222012 is about 12618.3204904615. The cubic root of 159222012 is about 542.0021831496.

Adding to 159222012 its reverse (210222951), we get a palindrome (369444963).

The spelling of 159222012 in words is "one hundred fifty-nine million, two hundred twenty-two thousand, twelve".